'''
生成式（推导式）可以用来生成列表、集合和字典

'''
prices = {
    'AAPL': 191.88,
    'GOOG': 1186.96,
    'IBM': 149.24,
    'ORCL': 48.44,
    'ACN': 166.89,
    'FB': 208.09,
    'SYMC': 21.29
}

prices2 = {key:value for key,value in prices.items() if value >100}
print(prices2) # {'AAPL': 191.88, 'GOOG': 1186.96, 'IBM': 149.24, 'ACN': 166.89, 'FB': 208.09}